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Precision Agriculture Irrigation Language: Core Concepts, Processes, and Objects

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

ASAE  ANSI/ASABE S632-1   June  2018

Keywords: Controllers, Irrigation, Sensors, System Integration

1 Purpose and Scope

This Standard enables the exchange of weather, soil moisture, and other relevant data, currently stored in a variety of proprietary original equipment manufacturer (OEM) formats, in an industry-wide format that can be used by irrigation data analysis and prescription programs. The goal is to standardize data formats for irrigation equipment, including, but not limited to, weather stations, soil-moisture sensors and irrigation control systems, soils data, GIS data, and other agricultural irrigation-related information impacting irrigation methods and applications.

1.1 The scope of the Standard is based on two major irrigation data processes:

1. Observations are the field, atmospheric, plant, or other in situ measurements that apply to irrigation management. This includes weather stations, soil moisture sensors, or crop-related sensing. This work is an agricultural implementation of the ISO 19156 standard for observations and measurements (ISO, 2011).

2. Operations are all of the activities associated with the application of water with an irrigation system. This includes, but is not restricted to, management-level communications and record keeping. The operations data set is based around a Recommendation, which describes a suggested course of action; a Work Order, which describes a desired course of action; and a Work Record, which describes what actually happened. This work is based on, and extends, the ISO11783-10 standard for communications between agricultural machinery and FMIS (ISO, 2015).

1.2 The Standard consists of three parts:

1.2.1 Part 1 (this document): Core Concepts, Processes, and Objects

Business processes associated with the irrigation field operation

The Actors and their role(s) in the process

Core Documents and their relationships

Common components

Identity ― Compound identifiers

Time, space, people, data pedigree, geopolitical-context-dependent data

Reference data

Setup and configuration data

1.2.2 Part 2: Observations and Measurements

Observations: An agriculture-specific implementation of the ISO 19156 standard

Field observations, including soil water content and local field weather

Setup and configuration of sensors and loggers

Derived weather data

1.2.3 Part 3: Irrigation System Operations

Location and geometry of the irrigation system

End gun, corner arm specification

Flows and pressure schedules (how much and when)

Irrigation Work Orders to drive pivot controllers

Error reporting

Work records: Reporting how much, and where, water was applied

1.2.4 Annex A contains an XML schema implementation of the object model described in the preceding sections.

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